Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1990-05-18
1991-10-08
Jones, W. Gary
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210104, 210136, 2102572, 210258, 210259, 210314, 2103216, 210406, 2104161, 210472, 210744, 210806, 210808, 604 4, 604 28, 604 35, 604 36, 604319, 604404, 604406, A61M 103
Patent
active
050551981
ABSTRACT:
An apparatus for recycling autologous blood from a patient for reinfusion back to the patient comprising suction means, admixing means for admixing aspirated blood with a washing fluid, filtering means for filtering the admixture through an emboli filter and a membrane filter, monitoring means for measuring the amount of cellular component volume in the filtered blood, filtration means for removing excess fluid and particulates from the blood, and reinfusion means is disclosed. Embodiments for use during surgery for on-line purification and reinfusion on a real time basis are disclosed along with embodiments for use post-surgically when the wound site is closed and drainage tubing has been implanted at the wound site to draw off blood post-surgically. Methods for performing the autotransfusion process are also disclosed.
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